/**
  ******************************************************************************
  * @file    gpio.c
  * @brief   This file provides code for the configuration
  *          of all used GPIO pins.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "gpio.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/
/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/** Configure pins as
        * Analog
        * Input
        * Output
        * EVENT_OUT
        * EXTI
*/
void MX_GPIO_Init(void)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOH_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, SysLed_Pin|BlueLed_Pin|RedLed_Pin|GreenLed_Pin, GPIO_PIN_SET);

  /*Configure GPIO pin : PtPin */
  GPIO_InitStruct.Pin = Key1_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(Key1_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : PtPin */
  GPIO_InitStruct.Pin = Key2_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(Key2_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pins : PBPin PBPin PBPin PBPin */
  GPIO_InitStruct.Pin = SysLed_Pin|BlueLed_Pin|RedLed_Pin|GreenLed_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /* EXTI interrupt init*/
  HAL_NVIC_SetPriority(EXTI15_10_IRQn, 2, 0);
  HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);

}

/* USER CODE BEGIN 2 */
typedef struct gpio_s
{
	GPIO_TypeDef        *group;
	uint16_t            pin;
}gpio_t;

gpio_t    leds[LedMax] =
{
		{SysLed_GPIO_Port, SysLed_Pin},
		{RedLed_GPIO_Port, RedLed_Pin},
		{GreenLed_GPIO_Port, GreenLed_Pin},
		{BlueLed_GPIO_Port, BlueLed_Pin},
};

void turn_led(int which, int status)
{

  GPIO_PinState      level;

  if( which >= LedMax )
	  return;

  level = (OFF == status) ? GPIO_PIN_SET : GPIO_PIN_RESET;

  HAL_GPIO_WritePin(leds[which].group, leds[which].pin, level);

}

void blink_led(int which, uint32_t interval)
{
  turn_led(which, ON);
  HAL_Delay(interval);

  turn_led(which, OFF);
  HAL_Delay(interval);
}

void sysled_hearbeat(void)
{
	blink_led(SysLed, 100);
	blink_led(SysLed, 100);
	blink_led(SysLed, 800);
}

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
	if(Key1_Pin == GPIO_Pin )
	{
		blink_led(BlueLed, 500);
	}
	else if(Key2_Pin == GPIO_Pin )
		{
			blink_led(RedLed, 500);
		}
}

//void led_on(void)
//{
//	turn_led(RedLed, ON);
//	turn_led(BlueLed, ON);
//	turn_led(GreenLed, ON);
//
//}

void led_off(void)
{
	turn_led(RedLed, OFF);
	turn_led(BlueLed, OFF);
	turn_led(GreenLed, OFF);
}

/* USER CODE END 2 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
